Table 4.
The antibiotic susceptibility patterns of Klebsiella spp., E. coli, Proteus spp., and Citrobacter spp. with reference to CLSI guidelines.
| CLSI Drug Panel | Resistance (%) | Susceptibility (%) | ||||||
|---|---|---|---|---|---|---|---|---|
| Klebsiella spp. | E. coli | Proteus spp. | Citrobacter spp. | Klebsiella spp. | E. coli | Proteus spp. | Citrobacter spp. | |
| AMP | 87.0 | 84.4 | 3 | 81 | 12.9 | 15.4 | 97 | 10 |
| AMC | 94.6 | 88.1 | 7 | 91 | 5.3 | 11.8 | 97 | 2 |
| CRO | 81.7 | 45.1 | 0 | 93 | 18.2 | 54.8 | 100 | 6 |
| CXM | 81.7 | 52.5 | 0 | 71 | 18.2 | 47.4 | 100 | 11 |
| CFM | 82.7 | 56.2 | 0 | 90 | 17.2 | 43.7 | 100 | 2 |
| IPM | 4.3 | 6.6 | 4 | 0 | 95.6 | 93.3 | 95 | 100 |
| MEM | 5.3 | 6.6 | 4 | 0 | 94.6 | 93.3 | 96 | 100 |
| TZP | 8.6 | 14.0 | 8 | 0 | 91.3 | 85.9 | 84 | 100 |
| TE | 74.1 | 81.4 | 82 | 52 | 25.8 | 18.5 | 15 | 61 |
| CN | 24.7 | 28.8 | 89 | 28 | 75.2 | 71.1 | 3 | 65 |
| NAL | 73.1 | 84.4 | 0 | NT | 26.8 | 15.4 | 100 | NT |
| FEP | 22.5 | 28.8 | 1 | 27 | 77.4 | 71.1 | 98.5 | 63 |
| CAZ | 17.2 | 19.2 | 0 | 0 | 82.1 | 80.7 | 100 | 100 |
| PB | 0 | 0 | 0 | 0 | 100 | 100 | 100 | 100 |
| CT | 0 | 0 | 0 | 0 | 100 | 100 | 100 | 100 |
| TGC | 0 | 0 | 0 | 0 | 100 | 100 | 100 | 100 |
| TOB | 0 | 0 | 0 | 0 | 100 | 100 | 100 | 100 |
AMP: ampicillin. AMC: amoxicillin/clavulanic acid. CRO: ceftriaxone. CXM: cefixime. CFM: cefuroxime. IPM: imipenem. MEM: meropenem. TZP: piperacillin–tazobactam. TE: tetracycline. CN: gentamicin. NAL: nalidixic acid. FEP: cefepime. CAZ: ceftazidime. PB: polymyxin B. CT: colistin. TGC: tigecycline. TOB: tobramycin. NT: not tested.